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Finding the Fourth Proportional to 121,650.50, 182,574.04 and 51,579.02

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Solution

The fourth proportional to 121,650.50, 182,574.04 and 51,579.02 is: 77,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,650.50 : 182,574.04 = 51,579.02 : x
  2. Step 2: Convert to fraction form
    121,650.50/182,574.04 = 51,579.02/x
  3. Step 3: Cross multiply
    121,650.50x = 182,574.04 × 51,579.02
  4. Step 4: Simplify right side
    121,650.50x = 9,416,990,060.64
  5. Step 5: Solve for x
    x = 9,416,990,060.64/121,650.50
  6. Step 6: Final answer
    x = 77,410.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.